Clean Water Act discharge permit · NPDES LA0064092
ST JOHN THE BAPTIST PARISH - WOODLAND DRIVE STP, Laplace, LA: NPDES LA0064092 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 23Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
ST JOHN THE BAPTIST PARISH - WOODLAND DRIVE STP, held by St John the Baptist Parish - Woodland Drive STP, holds NPDES permit LA0064092. EPA’s file records it issued September 9, 2025 and expiring September 30, 2030. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ST JOHN THE BAPTIST PARISH - WOODLAND DRIVE STP |
|---|---|
| Permittee as filed | St John the Baptist Parish - Woodland Drive STP |
| NPDES ID | LA0064092 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 9, 2025 |
| Expiration date | September 30, 2030 |
| Issuing agency | LDEQ |
| Address | Laplace, LA 70068 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Reserve Relief Canal (HUC 080702040301) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 33Pollutants on file
- 23Under a numeric limit
- 28With a violation of any kind
- 10With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 0 | 96 | 87 | February 28, 2025 | 860% over the limit |
| Solids, total suspended | 5 | 55 | 46 | February 28, 2025 | 133% over the limit |
| Dichlorobromomethane | 0 | 29 | 11 | June 30, 2011 | 144% over the limit |
| Chlorine, total residual | 1 | 15 | 9 | July 31, 2022 | 13,839% over the limit |
| Cyanide, total [as CN] | 0 | 21 | 3 | June 30, 2014 | 110% over the limit |
| Mercury, total [as Hg] | 8 | 4 | 2 | December 31, 2006 | 4,900% over the limit |
| Oil and grease | 0 | 4 | 2 | September 30, 2009 | 9% over the limit |
| Dibromochloromethane | 0 | 19 | 1 | December 31, 2009 | 14% over the limit |
| Coliform, fecal general | 2 | 5 | 1 | December 31, 2000 | 32% over the limit |
| Carbon, tot organic [TOC] | 0 | 3 | 1 | March 31, 2007 | 80% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 24 | 0 | ||
| Chloroform | 0 | 18 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 16 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 16 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 16 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 2 | 14 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 14 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 14 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 10 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 2 | 10 | 0 | ||
| pH | 2 | 8 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 1 | 7 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 1 | 7 | 0 | ||
| Nitrogen, total [as N] | 3 | 3 | 0 | ||
| Phosphorus, total [as P] | 3 | 3 | 0 | ||
| Cadmium, total [as Cd] | 0 | 2 | 0 | ||
| Copper, total [as Cu] | 0 | 2 | 0 | ||
| Lead, total [as Pb] | 0 | 2 | 0 | ||
| Zinc, total [as Zn] | 8 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 6 | 0 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 5 | 0 | 0 | ||
| Whole Effluent Toxicity [WET] - C. dubia | 2 | 0 | 0 | ||
| Whole Effluent Toxicity [WET] - P. promelas | 2 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 9Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 31, 2022 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| October 22, 2020 | WW SSO - Discharge to Waters | ST6 |
| October 22, 2020 | WW SSO - Improper Operation and Maintenance | ST6 |
| May 15, 2020 | WW SSO - Discharge to Waters | ST6 |
| May 15, 2020 | WW SSO - Improper Operation and Maintenance | ST6 |
| March 31, 2018 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 7, 2018 | WW SSO - Improper Operation and Maintenance | ST6 |
| February 28, 2018 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| February 27, 2018 | WW SSO - Improper Operation and Maintenance | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.